Saint John's Health System
- Integrated health delivery network in Anderson. Support groups, educational programs, services and events information.
- http://www.stjohnshealthsystem.org/

Memorial Health System
- A private, independent community owned health care system based in South Bend. Extensive information on the services and facilities offered by the health system.
- http://www.qualityoflife.org

Parkview Health System
- A network of healthcare providers. Includes news, health system hospitals and services, events, residency programs and links. (Fort Wayne)
- http://www.parkview.com/

St. Vincent Hospitals and Health Services
- The system is comprised of hospitals, Ambulatory Care Centers, Medical Offices, Occupational Health, Specialty and Stress Centers. (Indianapolis, Indiana)
- http://www.stvincent.org

St. Mary's Health Care Services
- A network of Health Care facilities providing comprehensive care to residents of Evansville, Indiana and its surrounding communities.
- http://www.stmarys.org

St. Francis Hospital and Health Centers
- A network of hospitals and centers. Providing a local comprehensive health resource. (Indianapolis, Indiana)
- http://www.stfrancishospitals.org

Clarian Health
- Combining the Methodist Hospital, Indiana University Hospital (IU) and Riley Hospital for Children it is the second largest health organization in the United States. (Indianapolis)
- http://www.clarian.org

Ancilla Systems
- A non-profit, Catholic sponsored healthcare organization with hospitals and local clinics throughout the Midwest. (Hobart, Indiana)
- http://www.ancilla.org